DE60332839D1 - METHOD FOR CONTROLLING THE COLOR SPECTRUM OF A LAMP - Google Patents

METHOD FOR CONTROLLING THE COLOR SPECTRUM OF A LAMP

Info

Publication number
DE60332839D1
DE60332839D1 DE60332839T DE60332839T DE60332839D1 DE 60332839 D1 DE60332839 D1 DE 60332839D1 DE 60332839 T DE60332839 T DE 60332839T DE 60332839 T DE60332839 T DE 60332839T DE 60332839 D1 DE60332839 D1 DE 60332839D1
Authority
DE
Germany
Prior art keywords
controlling
lamp
varies
over time
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60332839T
Other languages
German (de)
Inventor
David W Cunningham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE60332839D1 publication Critical patent/DE60332839D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Device Packages (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

A method is disclosed for controlling a lighting fixture of a kind having individually colored light sources, e.g., LEDs, that emit light having a distinct luminous flux spectrum that varies in its initial spectral composition, that varies with temperature, and that degrades over time. The method controls such fixture so that it projects light having a predetermined desired flux spectrum despite variations in initial spectral characteristics, despite variations in temperature, and despite flux degradations over time.
DE60332839T 2002-08-01 2003-07-28 METHOD FOR CONTROLLING THE COLOR SPECTRUM OF A LAMP Expired - Lifetime DE60332839D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/211,769 US7023543B2 (en) 2002-08-01 2002-08-01 Method for controlling the luminous flux spectrum of a lighting fixture
PCT/US2003/023470 WO2004014110A1 (en) 2002-08-01 2003-07-28 Method for controlling the luminous flux spectrum of a lighting fixture

Publications (1)

Publication Number Publication Date
DE60332839D1 true DE60332839D1 (en) 2010-07-15

Family

ID=31187650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60332839T Expired - Lifetime DE60332839D1 (en) 2002-08-01 2003-07-28 METHOD FOR CONTROLLING THE COLOR SPECTRUM OF A LAMP

Country Status (10)

Country Link
US (2) US7023543B2 (en)
EP (1) EP1530887B1 (en)
JP (1) JP2005535089A (en)
CN (1) CN100481566C (en)
AT (1) ATE470338T1 (en)
AU (1) AU2003265306A1 (en)
DE (1) DE60332839D1 (en)
ES (1) ES2343176T3 (en)
HK (1) HK1083974A1 (en)
WO (1) WO2004014110A1 (en)

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CN100481566C (en) 2009-04-22
CN1675964A (en) 2005-09-28
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US20040021859A1 (en) 2004-02-05
EP1530887A1 (en) 2005-05-18

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